package com.itheima.fanxing;

import java.util.ArrayList;
import java.util.Collection;

public class Demo05 {

    public static void main(String[] args) {
        Collection<String> list= new ArrayList<>();
        list.add("aaa");
        list.add("bbb");
        list.add("ccc");
        System.out.println(list);
    }
}
